1. Introduction
This manual provides detailed instructions for the safe and effective use of your onerbl 12V AC/DC Adapter. This power supply is specifically designed to provide stable and reliable power to compatible Seventour Portable Car TV Headrest Monitors, including models with 2G RAM + 32G ROM and 4G RAM + 64G ROM configurations. Please read this manual thoroughly before use and retain it for future reference.
2. Important Safety Information
WARNING: To reduce the risk of fire, electric shock, or injury, observe the following safety precautions:
- Use the adapter only with devices that match its voltage and current specifications (DC 12V, 2000mA). Using an incompatible adapter may damage your device.
- Do not expose the adapter to water, rain, or excessive moisture.
- Do not disassemble, modify, or attempt to repair the adapter. Refer all servicing to qualified personnel.
- Avoid placing the adapter in direct sunlight or near heat sources.
- Ensure the adapter is plugged into a properly grounded and easily accessible power outlet.
- Inspect the adapter and its cable for any signs of damage before each use. Do not use if damaged.
- Keep out of reach of children.
This adapter features built-in protections against short-circuit, over-voltage, and over-current to safeguard your devices.
3. Package Contents
- 1 x onerbl 12V AC/DC Adapter
4. Specifications
| Feature | Detail |
|---|---|
| Input Voltage | AC 100-240V, 50/60Hz |
| Output Voltage | DC 12V |
| Output Current | 2000mA (2A) |
| Cable Length | Approximately 76 inches (6.3 feet) |
| Protections | Over Voltage Protection, Over Heat Protection, Short-circuit Protection, Over-current Protection |
Physical dimensions and cable length of the onerbl 12V AC/DC Adapter.
The adapter features a durable design with quality materials for reliable performance.
5. Setup Instructions
Follow these steps to properly connect your onerbl 12V AC/DC Adapter to your device:
- Verify Compatibility: Ensure your Seventour Car TV Headrest Monitor requires a 12V DC input and a current draw of 2000mA (2A) or less. Using an adapter with incorrect specifications can damage your device.
- Connect to Device: Take the DC output plug of the onerbl adapter and firmly insert it into the power input port of your Seventour Car TV Headrest Monitor.
- Connect to Power Outlet: Plug the AC input prongs of the adapter into a standard wall electrical outlet (AC 100-240V, 50/60Hz).
- Power On: Once connected, your device should receive power. Turn on your Seventour monitor using its power button, if applicable.
The onerbl 12V AC/DC Adapter, ready for connection.
Example of the adapter connected to a power source.
6. Operating Instructions
The onerbl 12V AC/DC Adapter operates automatically once connected to a power source and a compatible device. It provides a continuous and stable 12V DC power supply. No further user interaction is required for its operation.
- Ensure the adapter remains securely plugged into both the wall outlet and your device during use.
- If you need to disconnect power, always unplug the adapter from the wall outlet first, then from your device.
7. Maintenance and Care
- Cleaning: Disconnect the adapter from all power sources before cleaning. Use a soft, dry cloth to wipe the exterior. Do not use liquid cleaners or aerosols.
- Storage: When not in use, store the adapter in a cool, dry place, away from direct sunlight and extreme temperatures. Avoid tightly coiling the cable to prevent damage.
- Inspection: Periodically check the adapter and cable for any signs of wear, cuts, or damage. If damage is observed, discontinue use immediately.
8. Troubleshooting
If you encounter issues with your onerbl 12V AC/DC Adapter, refer to the following common problems and solutions:
- Device Not Powering On:
- Ensure the adapter is securely plugged into both the wall outlet and the device.
- Verify the wall outlet is functional by testing it with another appliance.
- Confirm that your device's power button is in the 'ON' position.
- Check if the adapter's specifications (12V DC, 2000mA) match your device's requirements.
- Adapter Feels Warm: It is normal for the adapter to feel slightly warm during operation. If it becomes excessively hot, disconnect it immediately and contact support.
- Intermittent Power: Ensure all connections are firm and there are no kinks or damage to the cable.
9. Warranty and Support
For warranty information or technical support regarding your onerbl 12V AC/DC Adapter, please refer to the purchase documentation or contact the retailer/manufacturer directly. Keep your proof of purchase for warranty claims.
Manufacturer: Shenzhen Waweis Technology Co., Ltd